Grading at shows

There will be several companies grading at the Philly Show this weekend in Reading PA
Is there usually a long line and hours waiting time for this service ?
Another question
A lot of the material is worth $$$
Do vendors etc ever show up with side arms (legal in PA ) or is there security present ?
Is there usually a long line and hours waiting time for this service ?
Another question
A lot of the material is worth $$$
Do vendors etc ever show up with side arms (legal in PA ) or is there security present ?
0
Comments
1957 Topps PSA
1961 Fleer SGC
Have fun at the show.
The only modern card I've ever graded.
Clemens Rookie
Dave D.
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I have never graded at a show, but I expect that those three would cost more than $15 apiece to grade.
Do you have to be a member to get grade at shows?